644405216

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{613}}^1$

素因数の和:681

約数の個数: 144

約数和(自身を含む): 1650638304

約数和(自身を除く): 1006233088

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 19, 26, 28, 32, 38, 52, 56, 76, 91, 104, 112, 133, 152, 182, 208, 224, 247, 266, 304, 361, 364, 416, 494, 532, 608, 613, 722, 728, 988, 1064, 1226, 1444, 1456, 1729, 1976, 2128, 2452, 2527, 2888, 2912, 3458, 3952, 4256, 4291, 4693, 4904, 5054, 5776, 6916, 7904, 7969, 8582, 9386, 9808, 10108, 11552, 11647, 13832, 15938, 17164, 18772, 19616, 20216, 23294, 27664, 31876, 32851, 34328, 37544, 40432, 46588, 55328, 55783, 63752, 65702, 68656, 75088, 80864, 81529, 93176, 111566, 127504, 131404, 137312, 150176, 151411, 163058, 186352, 221293, 223132, 255008, 262808, 302822, 326116, 372704, 442586, 446264, 525616, 605644, 652232, 885172, 892528, 1051232, 1059877, 1211288, 1304464, 1549051, 1770344, 1785056, 2119754, 2422576, 2608928, 2876809, 3098102, 3540688, 4239508, 4845152, 5753618, 6196204, 7081376, 8479016, 11507236, 12392408, 16958032, 20137663, 23014472, 24784816, 33916064, 40275326, 46028944, 49569632, 80550652, 92057888, 161101304, 322202608, 644405216]

約数ペア:

[(1, 644405216), (2, 322202608), (4, 161101304), (7, 92057888), (8, 80550652), (13, 49569632), (14, 46028944), (16, 40275326), (19, 33916064), (26, 24784816), (28, 23014472), (32, 20137663), (38, 16958032), (52, 12392408), (56, 11507236), (76, 8479016), (91, 7081376), (104, 6196204), (112, 5753618), (133, 4845152), (152, 4239508), (182, 3540688), (208, 3098102), (224, 2876809), (247, 2608928), (266, 2422576), (304, 2119754), (361, 1785056), (364, 1770344), (416, 1549051), (494, 1304464), (532, 1211288), (608, 1059877), (613, 1051232), (722, 892528), (728, 885172), (988, 652232), (1064, 605644), (1226, 525616), (1444, 446264), (1456, 442586), (1729, 372704), (1976, 326116), (2128, 302822), (2452, 262808), (2527, 255008), (2888, 223132), (2912, 221293), (3458, 186352), (3952, 163058), (4256, 151411), (4291, 150176), (4693, 137312), (4904, 131404), (5054, 127504), (5776, 111566), (6916, 93176), (7904, 81529), (7969, 80864), (8582, 75088), (9386, 68656), (9808, 65702), (10108, 63752), (11552, 55783), (11647, 55328), (13832, 46588), (15938, 40432), (17164, 37544), (18772, 34328), (19616, 32851), (20216, 31876), (23294, 27664)]